257993190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 288

約数和(自身を含む): 885044160

約数和(自身を除く): 627050970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 26, 30, 34, 35, 39, 42, 45, 51, 63, 65, 70, 78, 85, 90, 91, 102, 105, 109, 117, 119, 126, 130, 153, 170, 182, 195, 210, 218, 221, 234, 238, 255, 273, 289, 306, 315, 327, 357, 390, 442, 455, 510, 545, 546, 578, 585, 595, 630, 654, 663, 714, 763, 765, 819, 867, 910, 981, 1071, 1090, 1105, 1170, 1190, 1326, 1365, 1417, 1445, 1526, 1530, 1547, 1635, 1638, 1734, 1785, 1853, 1962, 1989, 2023, 2142, 2210, 2289, 2601, 2730, 2834, 2890, 3094, 3270, 3315, 3570, 3706, 3757, 3815, 3978, 4046, 4095, 4251, 4335, 4578, 4641, 4905, 5202, 5355, 5559, 6069, 6630, 6867, 7085, 7514, 7630, 7735, 8190, 8502, 8670, 9265, 9282, 9810, 9919, 9945, 10115, 10710, 11118, 11271, 11445, 12138, 12753, 12971, 13005, 13734, 13923, 14170, 15470, 16677, 18207, 18530, 18785, 19838, 19890, 20230, 21255, 22542, 22890, 23205, 24089, 25506, 25942, 26010, 26299, 27795, 27846, 29757, 30345, 31501, 33354, 33813, 34335, 36414, 37570, 38913, 42510, 46410, 48178, 49595, 52598, 55590, 56355, 59514, 60690, 63002, 63765, 64855, 67626, 68670, 69615, 72267, 77826, 78897, 83385, 89271, 91035, 94503, 99190, 112710, 116739, 120445, 127530, 129710, 131495, 139230, 144534, 148785, 157505, 157794, 166770, 168623, 169065, 178542, 182070, 189006, 194565, 216801, 220507, 233478, 236691, 240890, 262990, 283509, 297570, 315010, 337246, 338130, 361335, 389130, 394485, 409513, 433602, 441014, 446355, 472515, 473382, 505869, 567018, 583695, 661521, 722670, 788970, 819026, 843115, 892710, 945030, 1011738, 1084005, 1102535, 1167390, 1183455, 1228539, 1323042, 1417545, 1517607, 1686230, 1984563, 2047565, 2168010, 2205070, 2366910, 2457078, 2529345, 2835090, 2866591, 3035214, 3307605, 3685617, 3969126, 4095130, 5058690, 5733182, 6142695, 6615210, 7371234, 7588035, 8599773, 9922815, 12285390, 14332955, 15176070, 17199546, 18428085, 19845630, 25799319, 28665910, 36856170, 42998865, 51598638, 85997730, 128996595, 257993190]

約数ペア:

[(1, 257993190), (2, 128996595), (3, 85997730), (5, 51598638), (6, 42998865), (7, 36856170), (9, 28665910), (10, 25799319), (13, 19845630), (14, 18428085), (15, 17199546), (17, 15176070), (18, 14332955), (21, 12285390), (26, 9922815), (30, 8599773), (34, 7588035), (35, 7371234), (39, 6615210), (42, 6142695), (45, 5733182), (51, 5058690), (63, 4095130), (65, 3969126), (70, 3685617), (78, 3307605), (85, 3035214), (90, 2866591), (91, 2835090), (102, 2529345), (105, 2457078), (109, 2366910), (117, 2205070), (119, 2168010), (126, 2047565), (130, 1984563), (153, 1686230), (170, 1517607), (182, 1417545), (195, 1323042), (210, 1228539), (218, 1183455), (221, 1167390), (234, 1102535), (238, 1084005), (255, 1011738), (273, 945030), (289, 892710), (306, 843115), (315, 819026), (327, 788970), (357, 722670), (390, 661521), (442, 583695), (455, 567018), (510, 505869), (545, 473382), (546, 472515), (578, 446355), (585, 441014), (595, 433602), (630, 409513), (654, 394485), (663, 389130), (714, 361335), (763, 338130), (765, 337246), (819, 315010), (867, 297570), (910, 283509), (981, 262990), (1071, 240890), (1090, 236691), (1105, 233478), (1170, 220507), (1190, 216801), (1326, 194565), (1365, 189006), (1417, 182070), (1445, 178542), (1526, 169065), (1530, 168623), (1547, 166770), (1635, 157794), (1638, 157505), (1734, 148785), (1785, 144534), (1853, 139230), (1962, 131495), (1989, 129710), (2023, 127530), (2142, 120445), (2210, 116739), (2289, 112710), (2601, 99190), (2730, 94503), (2834, 91035), (2890, 89271), (3094, 83385), (3270, 78897), (3315, 77826), (3570, 72267), (3706, 69615), (3757, 68670), (3815, 67626), (3978, 64855), (4046, 63765), (4095, 63002), (4251, 60690), (4335, 59514), (4578, 56355), (4641, 55590), (4905, 52598), (5202, 49595), (5355, 48178), (5559, 46410), (6069, 42510), (6630, 38913), (6867, 37570), (7085, 36414), (7514, 34335), (7630, 33813), (7735, 33354), (8190, 31501), (8502, 30345), (8670, 29757), (9265, 27846), (9282, 27795), (9810, 26299), (9919, 26010), (9945, 25942), (10115, 25506), (10710, 24089), (11118, 23205), (11271, 22890), (11445, 22542), (12138, 21255), (12753, 20230), (12971, 19890), (13005, 19838), (13734, 18785), (13923, 18530), (14170, 18207), (15470, 16677)]